解答这道题目,并进行相关知识点的讲解---**Problem Description:**
1. 有一只袋鼠要跳着回家, 但路上有很多高矮不一的砖头。
(1) 它只能沿着路垂直(上-下)或水平(左-右)方向跳跃。
(2) 它一次最多只能跳过两块砖头。
问题: 如果袋鼠想尽快回家, 请问, 袋鼠需要跳跃多少次? ( ).
**Image Description:**
* **Type:** Grid-based path diagram with obstacles and starting/ending points.
* **Main Elements:**
* A 5x5 grid of square platforms/bricks arranged in rows and columns.
* Connections: Platforms are connected horizontally and vertically.
* Obstacles/Features: Some platforms have cylindrical pillars stacked on them, representing elevated sections or obstacles. Some platforms have wavy lines, potentially indicating lower sections or water.
* Start Point: A cartoon drawing of a kangaroo is positioned at the top-left corner of the grid, indicating the starting position.
* End Point: A cartoon drawing of a tent is positioned at the bottom-right corner, outside but adjacent to the grid, indicating the destination ("home").
* Surroundings: The grid is surrounded by blue shapes representing water.
* **Specific Details:**
* The grid has 5 rows and 5 columns of accessible squares/platforms.
* The kangaroo starts at the square in row 1, column 1 (top-left).
* The destination is near the square in row 5, column 5 (bottom-right).
* Movement is restricted to vertical or horizontal jumps.
* A single jump can cover a distance of 1 square or 2 squares in the chosen direction (jump to an adjacent square or jump over one square to the next).
**Options:**
单选题 *
A. 13
B. 14 (正确答案)
C. 15
D. 16